3 C1 unit cost is a standard KPI used in the nickel mining industry to measure the cash costs of running a mining operation. The Brook Hunt definition below is the most widely accepted. C1 costs: Direct costs, which include cash costs incurred in mining and processing plus local G&A, freight and selling costs. Any by-product revenue (BPC's) is credited against costs at this stage. Expressed in $/lb of Ni produced. Please calculate C1 given the following information: Costs ($m) Metal production t Mining/Milling 145 Further processing costs 50 G&A 5 Ni production Cu production Co production Depreciation 100 Production C1 cost $/lb Ni Production (kt) 100 Costs Contained nickel in production 15% BPC's Contained copper in production 5% C1 Contained cobalt in production 1% Metal Prices Nickel Copper Cobalt $/lb 8.00 $/lb 4.00 $/lb 15.00